​x
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<style type="text/css">
img[src|="/i/figure"]
{
border: 1px solid gray;
}
</style>
</head>
​
<body>
<h1>可以应用样式：</h1>
<img title="Figure 1" src="/i/figure-1.gif" />
<img title="Figure 2" src="/i/figure-2.gif" />
​
<hr />
​
<h1>无法应用样式：</h1>
<img src="/i/eg_w3school.gif" />
</body>
</html>
​